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Finding the Fourth Proportional to 84,620.16, 116,774.08 and 46,894.08

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Solution

The fourth proportional to 84,620.16, 116,774.08 and 46,894.08 is: 64,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,620.16 : 116,774.08 = 46,894.08 : x
  2. Step 2: Convert to fraction form
    84,620.16/116,774.08 = 46,894.08/x
  3. Step 3: Cross multiply
    84,620.16x = 116,774.08 × 46,894.08
  4. Step 4: Simplify right side
    84,620.16x = 5,476,013,049.45
  5. Step 5: Solve for x
    x = 5,476,013,049.45/84,620.16
  6. Step 6: Final answer
    x = 64,712.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.